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arXiv 1609.02790math.CO
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报告厅P-隔墙

Lecture hall P-partitions

Petter Brändén, Madeleine Leander

摘要:

我们引入并研究了s-讲堂P-划分,这是s-讲堂划分到标记(加权)偏序集的推广。我们提供生成函数的身份s-演讲厅的P-分区,推广的身份由萨维奇和舒斯特s-演讲厅分区,和斯坦利的P-分区。我们还证明了相应的(P,s)-欧拉多项式是实根的某些对(P,s),并推测这些多项式的单峰性质。

英文摘要:

We introduce and study s-lecture hall P-partitions which is a generalization of s-lecture hall partitions to labeled (weighted) posets. We provide generating function identities for s-lecture hall P-partitions that generalize identities obtained by Savage and Schuster for s-lecture hall partitions, and by Stanley for P-partitions. We also prove that the corresponding (P,s)-Eulerian polynomials are real-rooted for certain pairs (P,s), and speculate on unimodality properties of these polynomials.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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